JUG.ua

We gladly invite you to the upcoming JUG UA meetup in Kharkiv. At this event we will talk about the versioning of services in Microservices architecture style; will share with you some tips & tricks you need to know while designing RESTful services.

When: April 5, 2018
Where: Fabrika.space, Blagovischenska Steet 1, Kharkiv

Join Online

Agenda:

• Microservices Versioning
• Designing RESTful services: tips and tricks

We are happy to announce our next JUG UA meetup!

Date: March 28, 19:00 – 22:00 (registration from 18:30)
Venue: Grammarly Kyiv, Gulliver Business Center, Tower B, floor 14, 1a Sportyvna Square, Kyiv

Registartion

Agenda

• Do you really need reactive Spring? (Oleh Dokuka @ Levi 9, Igor Lozynskyi @Ciklum/Zoomdata)

Reactivity – is a buzzword. Nowaday’s market talks about reactivity. Vert.x, Akka, what else? Right – recently Spring Framework introduced new module called WebFlux, which allows building Reactive Application using traditional Spring features. But do we really need that module, will it help us in our every-day job, will it in solving our problems? What else is hidden behind that? All that stuff will be discussed during the talk and finally, we will get an understanding whether starting/migrating your current project with/to Reactive Spring worth it.

Read more…

Date: February, 10-11
Venue: Fabrika.space, Kharkiv

Registration and details

Воркшоп проведёт Орхан Гасымов – разработчик-архитектор с профессиональный опытом 15 лет специализирующийся на разработке распределенных приложений.

Workshop will be useful for Reactive programming adopters, who have no previous experience. During workshop you will learned the most popular libraries for reactive programming in Java (RxJava, Reactive Streams, Project Reactor) and have a practical exercises.

Date: February, 3rd
Time: 10:00 – 17:00
Venue: Wix Kyiv office,  Pankivska St, 14А, Kyiv

Registration (Sold Out)

Date: February, 10th
Time: 09:00 – 17:00
Venue: Epam Lviv office,  Oleny Stepanivny St, 45, Lviv

Registration

Read more…

When: 8th of February, 18:30 – 21:30 (UTC+02)
Where: Fabrika Space, Blagoveshchenskaya str. 1 (Kharkiv)

Registration

To join live streaming

Agenda:

• Refactoring Monolith to Microservices (Orkhan Gasimov)

– Monolith vs Microservices
– Refactoring Practices
– Packaging Practices
– Anti-pattern: Distributed Monolith

• Fault Tolerance in Distributed Environment (Orkhan Gasimov)

– Cascading Fails & Blocked Resources
– N-Modular Redundancy & Recovery Blocks
– Circuit Breakers & Error Kernel Pattern
– Instance Healers

When: December 13, 2017

Registration

– Monitoring of reactive systems (Solution Architect, Yevgen Mospan)

– Hybris: the vanguard of eCommerce (Lead Software Engineer, Vitalii Kolchytskyi)

We are happy to announce our next JUG UA meetup!

Date: November 30, 19:00 – 22:00 (registration from 18:30)
Venue: “Olympic Hall – Vokzalnaya”, Vasylia Lypkivskoho St, 3, Kyiv

Our partner EPAM provides everyone with a possibility to join this event online.

Agenda

• Patterns of Distributed Application Design with live coding session using Spring Cloud (Orkhan Gasimov, Vadim Ivanov @AppsFlyer) (video, code, slides)

We will start with a single service monolith application and go through steps of it’s evolution up to a distributed solution. We will do it in theory and in practice and see a hello-world live-coding example discussing it in details.

Topics:

1. Patterns & Architectures
2. Issues & Bottlenecks
3. Security Concerns
4. Communication, Composition & Orchestration
5. Data Consistency
6. Live coding using Spring Cloud

When: 15th of November, 2017 (18:30 – 21:30)

Where: Zaporizhia, Hotel “Intourist”

Registration

Speakers and talks

• Viacheslav Kolbasin, Lead Software Engineer @EPAM

Topic: “Voice chat bot? It is easy with Amazon Alexa!”

This topic will be about how to create a voice chat bots using Amazon Alexa. We will discover how Alexa Voice Service and Amazon Echo device work and will try to create a simple chat-bot.

Also, we will discuss advanced topics like session, authorization and home cards. In addition, we will discuss how to use Alexa to create multi-modality bots and other applications with voice user interface.

• Maksym Bruner, Solution Architect @EPAM
  

Topic: “Using Spring Profiles”

We will talk about various best practices around spring profiles – powerful feature allowing flexible configuration in multiple environments.
Also, I will show a couple examples how profiles could be used for test automation and others type of testing.
Bonus part will be a list of tips how to configure your Spring Boot application to follow “The Twelve-Factor App” principles.

We are happy to announce our next JUG UA and Java Tech Talks @ Lohika meetup!

Date: October 23, 19:00 – 22:00 (registration from 18:30)
Venue: Lohika office, Zhylyanska 35, 7th floor, Kyiv

Registration

Agenda:

• Casandra: to be or not to be (Andriy Rymar, Software Engineer at Lohika, Lviv)
• Refactor to Reactive with Spring 5 and Project Reactor (Oleh Dokuka, Software Engineer at Levi9)

We are happy to announce our next JUG UA meetup dedicated to Kotlin language!

Date: October 12, 19:00 – 22:00 (registration from 18:30)
Venue: “Olympic Hall – Vokzalnaya”, Vasylia Lypkivskoho St, 3, Kyiv

Our partner EPAM provides everyone with a possibility to join this event online.

Agenda

• Kotlin for Java developers: How and Why (Marharyta Nedzelska @ Luxoft) slides, src, video